China is getting its pig epidemic under control, but it鈥檚 not out of the woods yet 馃嚞馃嚙

Jack Lau puts on a full-body medical protective suit and pulls up his face mask at the gate of the Hong Kong Heritage Pork farm in a rural village located in the hills of northern Hong Kong.

Lau, a cofounder of the farm, then uses an electrical pump to spray his rubber boots with disinfectant and wash his hands before entering the farm鈥檚 pig weaning facility, which houses some 4,000 pigs between 1 and 8 months old.

Lau鈥檚 daily routine has nothing to do with COVID-19. Rather, it鈥檚 meant to halt the spread of African Swine Fever (ASF), a deadly pathogen that has ravaged global pig herds.

ASF isn鈥檛 harmful to humans. But for pigs, it is聽95% to 100% fatal. The disease spreads like wildfire. Droplets of ASF can live for weeks on surfaces like the soles of shoes or sides of vehicles. It can also survive for months on pork products and spread between farms through ticks or flies.

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